diff --git a/src/bidiMapper/bidiProtocolTypes.ts b/src/bidiMapper/bidiProtocolTypes.ts
index 425e59852d..dc70a4937e 100644
--- a/src/bidiMapper/bidiProtocolTypes.ts
+++ b/src/bidiMapper/bidiProtocolTypes.ts
@@ -136,23 +136,25 @@ export namespace BrowsingContext {
     context: BrowsingContext;
   };
 
-  export type BrowsingContextNavigateCommand = {
-    method: 'browsingContext.navigate';
-    params: BrowsingContextNavigateParameters;
-  };
+  export namespace PROTO {
+    export type BrowsingContextNavigateCommand = {
+      method: 'PROTO.browsingContext.navigate';
+      params: BrowsingContextNavigateParameters;
+    };
 
-  export type BrowsingContextNavigateParameters = {
-    context: BrowsingContext;
-    url: string;
-    wait?: ReadinessState;
-  };
+    export type BrowsingContextNavigateParameters = {
+      context: BrowsingContext;
+      url: string;
+      wait?: ReadinessState;
+    };
 
-  export type ReadinessState = 'none';
-  // TODO sadym: implement 'interactive' and 'complete' states.
-  export type BrowsingContextNavigateResult = {
-    navigation?: Navigation;
-    url: string;
-  };
+    export type ReadinessState = 'none';
+    // TODO sadym: implement 'interactive' and 'complete' states.
+    export type BrowsingContextNavigateResult = {
+      navigation?: Navigation;
+      url: string;
+    };
+  }
 }
 
 export namespace Session {
diff --git a/src/bidiMapper/commandProcessor.ts b/src/bidiMapper/commandProcessor.ts
index 3efe470c04..eb7c0f5239 100644
--- a/src/bidiMapper/commandProcessor.ts
+++ b/src/bidiMapper/commandProcessor.ts
@@ -179,9 +179,9 @@ export class CommandProcessor {
         return await this._contextProcessor.process_browsingContext_create(
           commandData as BrowsingContext.BrowsingContextCreateCommand
         );
-      case 'browsingContext.navigate':
-        return await this._contextProcessor.process_browsingContext_navigate(
-          commandData as BrowsingContext.BrowsingContextNavigateCommand
+      case 'PROTO.browsingContext.navigate':
+        return await this._contextProcessor.process_PROTO_browsingContext_navigate(
+          commandData as BrowsingContext.PROTO.BrowsingContextNavigateCommand
         );
 
       case 'PROTO.script.invoke':
diff --git a/src/bidiMapper/domains/context/browsingContextProcessor.ts b/src/bidiMapper/domains/context/browsingContextProcessor.ts
index be44db64ad..5c14fb74a2 100644
--- a/src/bidiMapper/domains/context/browsingContextProcessor.ts
+++ b/src/bidiMapper/domains/context/browsingContextProcessor.ts
@@ -192,9 +192,9 @@ export class BrowsingContextProcessor {
     });
   }
 
-  async process_browsingContext_navigate(
-    commandData: BrowsingContext.BrowsingContextNavigateCommand
-  ): Promise<BrowsingContext.BrowsingContextNavigateResult> {
+  async process_PROTO_browsingContext_navigate(
+    commandData: BrowsingContext.PROTO.BrowsingContextNavigateCommand
+  ): Promise<BrowsingContext.PROTO.BrowsingContextNavigateResult> {
     const params = commandData.params;
     const context = await this._getKnownContext(params.context);
 
diff --git a/src/bidiMapper/domains/context/context.ts b/src/bidiMapper/domains/context/context.ts
index 9412a84cff..6f5f722918 100644
--- a/src/bidiMapper/domains/context/context.ts
+++ b/src/bidiMapper/domains/context/context.ts
@@ -89,8 +89,8 @@ export class Context {
 
   public async navigate(
     url: string,
-    wait: BrowsingContext.ReadinessState = 'none'
-  ): Promise<BrowsingContext.BrowsingContextNavigateResult> {
+    wait: BrowsingContext.PROTO.ReadinessState = 'none'
+  ): Promise<BrowsingContext.PROTO.BrowsingContextNavigateResult> {
     // TODO sadym: implement.
     if (wait !== 'none') {
       throw new Error(`Not implenented wait '${wait}'`);
diff --git a/tests/test_bidi.py b/tests/test_bidi.py
index 8b45defa7a..4d1016fab1 100644
--- a/tests/test_bidi.py
+++ b/tests/test_bidi.py
@@ -239,13 +239,13 @@ async def _ignore_test_PageClose_browsingContextContextDestroyedEmitted(websocke
             "url": "about:blank"}}
 
 @pytest.mark.asyncio
-async def test_navigateWaitNone_navigated(websocket):
+async def test_PROTO_navigateWaitNone_navigated(websocket):
     contextID = await get_open_context_id(websocket)
 
     # Send command.
     command = {
         "id": 15,
-        "method": "browsingContext.navigate",
+        "method": "PROTO.browsingContext.navigate",
         "params": {
             "url": "data:text/html,<h2>test</h2>",
             "wait": "none",
@@ -265,17 +265,17 @@ async def test_navigateWaitNone_navigated(websocket):
 
 @pytest.mark.asyncio
 # Not implemented yet.
-async def _ignore_test_navigateWaitInteractive_navigated(websocket):
+async def _ignore_test_PROTO_navigateWaitInteractive_navigated(websocket):
     ignore = True
 
 @pytest.mark.asyncio
 # Not implemented yet.
-async def _ignore_test_navigateWaitComplete_navigated(websocket):
+async def _ignore_test_PROTO_navigateWaitComplete_navigated(websocket):
     ignore = True
 
 @pytest.mark.asyncio
 # Not implemented yet.
-async def _ignore_test_navigateWithShortTimeout_timeoutOccuredAndEventPageLoadEmitted(websocket):
+async def _ignore_test_PROTO_navigateWithShortTimeout_timeoutOccuredAndEventPageLoadEmitted(websocket):
     contextID = await get_open_context_id(websocket)
 
     # Send command.